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Finding the Fourth Proportional to 13,842,437.20, 20,763,655.80 and 6,652,237.30

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Solution

The fourth proportional to 13,842,437.20, 20,763,655.80 and 6,652,237.30 is: 9,978,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,437.20 : 20,763,655.80 = 6,652,237.30 : x
  2. Step 2: Convert to fraction form
    13,842,437.20/20,763,655.80 = 6,652,237.30/x
  3. Step 3: Cross multiply
    13,842,437.20x = 20,763,655.80 × 6,652,237.30
  4. Step 4: Simplify right side
    13,842,437.20x = 138,124,765,597,121.34
  5. Step 5: Solve for x
    x = 138,124,765,597,121.34/13,842,437.20
  6. Step 6: Final answer
    x = 9,978,355.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.